A-LevelChemistryChemical periodicity9701/12 · Oct/Nov 2017 · Q131 Mark
Element Z has a giant structure. The chloride of Z reacts with water to give a solution with a pH less than 5. Which row shows two elements which could be Z?
Aaluminium, magnesium
Baluminium, silicon
Cphosphorus, magnesium
Dphosphorus, silicon
✓ Correct answer
B: aluminium, silicon
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